body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
    'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
    sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

code {
  font-family: source-code-pro, Menlo, Monaco, Consolas, 'Courier New',
    monospace;
}

.item {
  display: flex ;
  justify-content: space-between;
  height: 30px;
  line-height: 28px;
  border: 1px solid gold;
}

.item>span {
  flex-basis: 20%;
}

.item span.num {
  display: inline-flex;
  justify-content: center;
  font-size: 20px;
}

.item span i:first-child {
  flex-basis: 30px;
  text-align: center;
  color: #fff;
  border: 1px solid blue ;
  background: rgb(73, 73, 255) ;
}

.item span b {
  flex-basis: 30px;
  text-align: center;
  border-top: 1px solid blue ;
  border-bottom: 1px solid blue ;
}

.item span i:last-child {
  flex-basis: 30px;
  color: #fff;
  text-align: center;
  border: 1px solid blue ;
  background: rgb(73, 73, 255) ;
}